With a geranium behind each ear and his face painted with gay cabalistic symbols, 6-foot-8, 17-stone Police Sergeant Geoff Bull looked jolly convincing as he sweated and grunted through a vigorous twist routine at the Frug-A-Go-Go Bierkeller. His hot serge trousers flapped wildly over his enormous plastic sandals as he jumped and jumped and gyrated towards a long-haired man. "Er, excuse me, man, I have reason to believe you can turn me on", he leered suggestively. As if by magic dozens of truncheons appeared and mercilessly thrashed him. Poor Geoff, what a turn-up for the books